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maxwell_3d: Add code for initializing register defaults.

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This commit is contained in:
bunnei 2018-10-25 23:42:39 -04:00
parent 8cea598158
commit 949d9a7136
2 changed files with 21 additions and 1 deletions
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20
src/video_core/engines/maxwell_3d.cpp
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@ -3,6 +3,7 @@
// Refer to the license.txt file included.
#include <cinttypes>
#include <cstring>
#include "common/assert.h"
#include "core/core.h"
#include "core/core_timing.h"
@ -19,7 +20,24 @@ namespace Tegra::Engines {
constexpr u32 MacroRegistersStart = 0xE00;
Maxwell3D::Maxwell3D(VideoCore::RasterizerInterface& rasterizer, MemoryManager& memory_manager)
: memory_manager(memory_manager), rasterizer{rasterizer}, macro_interpreter(*this) {}
: memory_manager(memory_manager), rasterizer{rasterizer}, macro_interpreter(*this) {
InitializeRegisterDefaults();
}
void Maxwell3D::InitializeRegisterDefaults() {
// Initializes registers to their default values - what games expect them to be at boot. This is
// for certain registers that may not be explicitly set by games.
// Reset all registers to zero
std::memset(&regs, 0, sizeof(regs));
// Depth range near/far is not always set, but is expected to be the default 0.0f, 1.0f. This is
// needed for ARMS.
for (std::size_t viewport{}; viewport < Regs::NumViewports; ++viewport) {
regs.viewport[viewport].depth_range_near = 0.0f;
regs.viewport[viewport].depth_range_far = 1.0f;
}
}
void Maxwell3D::CallMacroMethod(u32 method, std::vector<u32> parameters) {
// Reset the current macro.

2
src/video_core/engines/maxwell_3d.h
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@ -984,6 +984,8 @@ public:
Texture::FullTextureInfo GetStageTexture(Regs::ShaderStage stage, std::size_t offset) const;
private:
void InitializeRegisterDefaults();
VideoCore::RasterizerInterface& rasterizer;
std::unordered_map<u32, std::vector<u32>> uploaded_macros;